numa: Reject duplicate node IDs

[mirror_qemu.git] / numa.c

diff --git a/numa.c b/numa.c
index db10f954dd534903d4ebf532d610a6ac33f366a2..c25412750414d484b155a150f37188fd3fffb405 100644 (file)
--- a/numa.c
+++ b/numa.c
@@ -62,6 +62,11 @@ static void numa_node_parse(NumaNodeOptions *node, QemuOpts *opts, Error **errp)
         return;
     }
 
+    if (numa_info[nodenr].present) {
+        error_setg(errp, "Duplicate NUMA nodeid: %" PRIu16, nodenr);
+        return;
+    }
+
     for (cpus = node->cpus; cpus; cpus = cpus->next) {
         if (cpus->value > MAX_CPUMASK_BITS) {
             error_setg(errp, "CPU number %" PRIu16 " is bigger than %d",